Flora of North America species comparison

arcuate or slightly sinuous, 10–35 cm.

2–4.5 cm.

of flowering stems shorter than to equaling culms, 1.4–4.6 mm wide, ligules of distal cauline leaves usually obsolete.

of flowering stems thickened, recurved, shorter to equaling culms, to 3 cm × 1.6–3.5 mm ligules of distal cauline leaves usually obsolete.

peduncles of terminal staminate spikes (1–)3–28 mm;

proximal pistillate spikes (1–)2–5, approximate, the proximal usually distant and pedunculate, elliptic, 5.3–8.5 mm wide;

terminal staminate spikes pedunculate, 9–23.8 × 1.3–3.3 mm.

peduncles of terminal staminate spikes 0.8–4 mm;

proximal pistillate spikes 1–3, 4–5.5 mm wide;

terminal staminate spikes 5.1–6.1 × 1.6–2.1 mm.

dark olive to green, (2.7–)3.2–3.8(–4.2) × 1.1–1.7 mm wide, apex gradually contracted into a smooth or slightly scabrous, straight or slightly curved (less than 28°) beak;

beak 0.7–1.7 mm.

2.3–2.8 × 1.3–1.5 mm;

beak forming an angle of 5–28° with body.

1.1–1.5 × 0.9–1.2 mm.

1.2–1.4 × 0.9–1 mm.